41. Country Memberships in Selected Intergovernmental Organizations and Accession to Selected Regional and Global Treaty Regimes: Global, Country-Year Format, 1955-2010 Bookmark Format Single study
46. COVID-19 Government Response Tracker (University of Oxford - Blavatnik School of Government) Bookmark Format Series - ongoing
47. COVID-19 Pandemic Preparedness - Infection Rate and Infection Fatality Ratio Estimates 2020-2021 Bookmark Format Single study
48. COVID-19, Stay-Home Orders and Well-Being: Evidence from Google Trends Bookmark Format Single study